Home / 1,664,656.42-2,297,209.53-900,693.22

Finding the Fourth Proportional to 1,664,656.42, 2,297,209.53 and 900,693.22

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Solution

The fourth proportional to 1,664,656.42, 2,297,209.53 and 900,693.22 is: 1,242,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,656.42 : 2,297,209.53 = 900,693.22 : x
  2. Step 2: Convert to fraction form
    1,664,656.42/2,297,209.53 = 900,693.22/x
  3. Step 3: Cross multiply
    1,664,656.42x = 2,297,209.53 × 900,693.22
  4. Step 4: Simplify right side
    1,664,656.42x = 2,069,081,048,590.39
  5. Step 5: Solve for x
    x = 2,069,081,048,590.39/1,664,656.42
  6. Step 6: Final answer
    x = 1,242,947.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.